UV tshuab luam ntawv number case overview
Apr 03, 2024
Tso lus
Rau feem coob ntawm cov neeg siv uas cia siab tias yuav tau txais txiaj ntsig los ntawm cov thev naus laus zis thev naus laus zis, qhov tshwm sim ntawm UV-curable number case chemistry tau hloov lawv txoj kev xav rau hauv kev muaj tiag. Txawm hais tias tsim tau zoo nyob rau hauv ib puag ncig simulation, cov formulations no muaj ob peb txoj kev sib tw kom kov yeej ua ntej cov tswv yim tiag tiag tuaj yeem nkag mus rau hauv lub lag luam inkjet tseem ceeb. Cov no tau pib nyob ib puag ncig xyoo 2000 nrog kev qhia txog UV muaj peev xwm mus rau hauv kev nthuav dav dav dav, pib qhov kev hloov dej hiav txwv dav dav li cas cov ntaub ntawv nruj tau siv ncaj qha los tsim cov duab thiab cov ntawv thov kev yuav khoom. Nyob rau hauv lub xyoo tom ntej, cov cuab yeej tseem ceeb no muaj ntau haiv neeg, thiab kev siv hluav taws xob ntawm UV curing tsis txwv rau cov khoom siv number case, tab sis tau siv dav hauv ntau qhov kev lag luam uas qhov tso tawm ntawm cov kua dej sib txawv ua lub luag haujlwm tseem ceeb.
Cov kev cov nyom no tau ntsib los ntawm UV-kho lub cav manufacturers muaj ntau haiv neeg thiab txuas ntxiv nthuav dav raws li kev xav tau ntau lawm ua kom muaj ntau haiv neeg thiab sijhawm-rhiab heev. Muaj, ntawm chav kawm, lwm yam ink technologies haum rau cov kev siv tshwj xeeb, xws li textiles thiab apparel sectors, photography thiab fine art markets, thiab cov hauj lwm uas hnyav los yog latex chemicals muab cov txiaj ntsig txaus. Txawm li cas los xij, rau feem ntau, kev siv UV lub zog thiab kev koom ua ke rau hauv cov cuab yeej luam ntawv niaj hnub no nyob rau hauv daim ntawv ntawm inks thiab curing tau ua rau muaj kev hloov pauv ntawm cov tshuab luam ntawv uas tuav tsis tau tsuas yog kho kom zoo nkauj xwb tab sis kuj ua haujlwm thiab kev lag luam. .
Nyob rau hauv thaum ntxov iterations ntawm UV digital printing, bonding tus number case rau cov khoom nto tsis yog ib qho yooj yim vim hais tias, tsis zoo li cov kuab tshuaj raws li chemistry, UV curable inks tsis khi rau cov xov xwm nws tus kheej, uas inevitably txhais tau tias adhesion thiab poob ntawm tiav prints. Rupture feem ntau yog inevitable. Feem ntau txoj kev vam meej tsis tshwm sim thaum hmo ntuj tab sis yog kev txhim kho txuas ntxiv, qee qhov raws li kev sim thiab qhov yuam kev, uas tau ua rau muaj kev hloov pauv ntawm cov tshuab luam ntawv niaj hnub no thiab tus cwj pwm ntawm lawv cov inks thiab kho tshuab.
Muaj ob qhov kev txiav txim siab tseem ceeb thaum qhia txog UV kho tshuaj rau hauv lub tshuab luam ntawv. Thawj yog tus cwj mem nws tus kheej, uas yuav tsum muaj qhov tseeb rheology thiab viscosity rau siv nrog cov xaiv printhead thiab nozzle ntom; Qhov thib ob yog qhov ua tau zoo ntawm txoj kev kho, uas yog lub luag haujlwm kawg rau kev xa cov khoom tiav tiav, suav nrog adhesion thiab xim raug. Lub ntsiab yog vim li cas vim li cas UV-kho cov formulations tau sai heev embraced los ntawm lub digital printing zej zog yog hais tias lawv muab ib tug tswv yim panacea uas yuav siv tau rau ntau yam sib txawv substrates, txawm tuab los yog nyias, nruj los yog saj zawg zog. Cov kev txwv nyob hauv hom xovxwm thiab kev cia siab rau cov khoom kawg.
Feem ntau, UV-curable number case formulations muaj monomers, oligomers, photoinitiators thiab pigments raws li zoo raws li additives yog li ntawd thaum raug rau qhov tseeb wavelength ntawm UV lub teeb, lub monomers polymerize rau ib tug kho los yog qhuav tag. Cov txheej txheem ntawm tus number case no tau siv ntau xyoo hauv ntau qhov chaw ib txwm siv, suav nrog kev tshuaj ntsuam luam ntawv, flexographic luam ntawv, gravure printing, thiab offset offset printing, thaum txhim kho printhead technology thiab cov khoom coatings coj ntau dua versatility. Cov txheej txheem number case no tau dhau los ua neeg nyiam hauv digital realm raws li cov kev xaiv hauv daim ntawv thov muaj tau nce. Lub tuam txhab luam ntawv.
Qhov zoo ntawm UV-kho tau inks suav nrog tsis muaj VOCs thiab txo cov pa phem hauv huab cua, nrog rau qhov kom zoo dua ntawm kev ua haujlwm sai dua vim kev kho tam sim tom qab txau; Tsis zoo li lwm txoj kev siv tshuaj, ziab txhua qhov luam tawm tsis vam khom rau ib txwm siv, feem ntau siv lub sijhawm siv hluav taws xob uas yuav tsum tau ua raws li qhov tseeb tso ntawm tus number case. Vim tias tus number case tseem ua kua kom txog thaum nws solidifies, xovxwm kev kho yuav raug txo vim tsis muaj teeb meem nrog hnyav evaporation nyob rau hauv lub printhead uas yuav ua rau clogging thiab nozzle puas. Tsis tas li ntawd, cov tshuaj lom neeg lub siab viscosity kuj yooj yim rau kev tsim cov tee dej kom yooj yim thiab tswj xyuas qhov tseeb raws li nws kho, uas tso cai rau lub tshuab luam ntawv khiav ntawm kev kub ceev yam tsis muaj kev cuam tshuam zoo.
Qhov tsis zoo ntawm UV kho tshuab tam sim no tau kov yeej ntau, vim tias cov viscosity ntawm tus cwj mem kuj ua rau nws tsis tshua muaj peev xwm tsim tau qhov chaw du heev. Ntxiv dua thiab, txij li tus cwj mem kho tsis raug rau cov khoom siv saum npoo, cov txheej txheem yuav tsum tau ua kom ntseeg tau tias qhov tseeb ntawm UV teeb yog siv los xyuas kom meej adhesion. Ntau dhau tuaj yeem ua rau tawv tawv, tawv tawv uas tuaj yeem tev thiab nti, thaum me me tuaj yeem ua rau cov ntawv luam tawm tsis zoo, uas tsis xav tau txawm tias muaj tshuaj dawb-radical. Rau hom kev kho no, polymerization nres thaum lub teeb pom kev raug tshem tawm, thiab cov tshuab dawb radical sawv cev rau feem ntau ntawm kev lag luam UV tshuab siv niaj hnub no. Hloov chaw, cationic thev naus laus zis txuas ntxiv kho nyob rau hauv txoj hauv kev daisy-chain txawm tias tom qab lub teeb ci raug txiav, thiab txawm hais tias txoj cai no tau txais los ntawm ib lossis ob lub tshuab luam ntawv, nws tsis suav tias yog qhov kev xaiv siv tau rau cov laj thawj.
Hauv kev ua lag luam niaj hnub no, lwm qhov kev xaiv kuj tau tshwm sim thiab, tom qab pib qeeb, tam sim no tau siv ntau zuj zus hauv cov tshuab luam ntawv, npog ntau qhov chaw siv UV-kho tau inks. Yav dhau los, mercury arc teeb feem ntau yog siv rau txhua daim ntawv thov, txawm li cas los xij, txawm hais tias lawv cov khoom kho tau zoo txaus, lawv kuj raug kev txom nyem los ntawm ntau yam tsis zoo, ib qho ntawm cov mercury suav nrog, uas tam sim no tau raug faib tawm raws li cov khoom muaj kev phom sij. tsis siv. Tsis tas li ntawd, cov teeb no ua kom muaj cua sov los ntawm cov kab hluav taws xob infrared, yuav tsum tau ua tib zoo tuav, thiab tej zaum yuav tsis haum thaum ua hauj lwm nrog cov ntaub ntawv nyias thiab rhiab heev. Cov teeb pom kev zoo yuav muaj lub neej ua haujlwm tsawg nyob ib puag ncig 1000 teev, thaum lub sijhawm ua haujlwm tau maj mam txo qis thiab qhov no tuaj yeem ua rau tsis sib xws thaum lub teeb mus txog qhov kawg ntawm nws lub voj voog.
Lwm txoj hauv kev rau kev kho UV ib txwm muaj xws li kev siv lub teeb ci LED, tab sis kev sib tw thawj zaug kom kov yeej kev tsom mus rau lawv qhov nqaim spectral tso zis, uas nyob rau hauv lem txhais tau hais tias cov formulation ntawm inks thiab coatings thiab lwm yam dispersing kua yuav tsum tau hloov kho nyob rau hauv lub hauv paus emission range. . Txawm li cas los xij, UV LEDs tau txais lub zog nyob rau ob peb xyoos dhau los thiab tau txais kev sib tw ua qhov kev xaiv zoo rau kev lag luam zaub, tso cai rau kev siv ntau yam khoom siv, txuag cov nqi hluav taws xob, thiab tshem tawm qhov xav tau los hloov kho lub teeb rau luv luv. ceeb toom. Lub sijhawm luv luv.
LED curing kuj yog qhov tseem ceeb hauv kev ua haujlwm thiab kev lag luam, qhov twg UV luam tawm cov khoom yuav xav tau los ua ib feem ntawm cov kab ntau lawm los yog ua ib qho tseem ceeb hauv kev tsim khoom. Raws li cov kev xav tau, tsis muaj chaw rau cov khoom loj thiab kub vim nws txoj kev xav kom qhuav, thiab nyob rau hauv cov ntaub ntawv no mercury arc curing tsis yog ib qho kev xaiv siv tau. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov ntawv thov ib zaug uas siv cov ntawv luam tawm thiab rau kev ua haujlwm siab xws li cov khoom siv encoding, cim thiab cim npe ib puag ncig.
Hauv cov ntsiab lus, cov hauv paus ntsiab lus tom qab UV-kho ntau lawm tam sim no suav nrog ntau yam kev xav tau luam ntawv, los ntawm cov duab dav dav, lub vev xaib thiab daim ntawv pub kev lag luam luam tawm mus rau kev ntim khoom thiab cov ntawv hloov pauv. Cov ntawv thov tshwj xeeb sab nraud ntawm cov ntawv luam tawm ib txwm muaj, xws li cov txheej txheem kev lag luam, kuj tig mus rau UV deposition thiab, nce ntxiv, LED curing peev xwm. Cov thev naus laus zis tau ua tiav nrog cov qauv niaj hnub no ntawm kev txo cov batch loj, kev hloov kho thiab kev tswj hwm version, thiab txhim kho lub sijhawm hloov pauv nrog kev pab los ntawm kev ua haujlwm zoo digital front-end thiab kev coj ua haujlwm. Cov qauv no yog cov khoom tseem ceeb hauv cov txheej txheem inkjet, tab sis tseem ceeb tshwj xeeb tshaj yog tias tus tsav txuas ntxiv ua kom nrawm nrawm thiab ntau yam los ntawm desktop mus rau cov khoom tiav.
Raws li qhov zoo ntawm UV curing hloov lwm cov inks thiab txoj kev, cov tuam txhab tam sim no muaj peev xwm tsim cov cuab yeej zoo uas luam tawm ntawm ntau yam xov xwm yam tsis muaj kev cuam tshuam. Kev siv cov thev naus laus zis ua kom yooj yim rau kev tsim cov tshuab kev cai uas yuav tsum tau tshwj xeeb tso nyiaj, nrog rau cov uas tso siab rau cov txiaj ntsig zoo thiab muaj txiaj ntsig zoo hauv ntau thaj chaw ntawm kev lag luam luam ntawv.